/Engine/Source/Runtime/GeometryCore/Public/Curve/CurveUtil.h
Curve utility functions Get (by reference) the vertices surrounding the given vertex index If bLoop is false and the Prev or Next vertex would be out of bounds, the vertex at Idx is used instead.
namespace UE { namespace Geometry { namespace CurveUtil { template<typename RealType, typename VectorType, bool bLoop> void UE::Geometry::CurveUtil::GetPrevNext ( const [TArrayView](API\Runtime\Core\Containers\TArrayView)< const VectorType > & Vertices, int32 Idx, VectorType & OutPrev, VectorType & OutNext ) } } }